/* Number of elements of an array */
#define nelem(arr) (sizeof(arr) / sizeof(*arr))
+/* Maximum of two items */
+#ifndef MAX
+# define MAX(a,b) ((a) > (b) ? (a) : (b))
+#endif
+
/* When running in the test harness, the load average is fudged. */
#define topt_no_headers 0x020 /* Omit headers */
#define topt_no_body 0x040 /* Omit body */
#define topt_escape_headers 0x080 /* Apply escape check to headers */
+#define topt_use_bdat 0x100 /* prepend chunks with RFC3030 BDAT header */
/* Flags for recipient_block, used in DSN support */